Cat spraying is a common problem among pet owners, but it can be effectively managed with patience and the right approach. Spraying is a form of territorial marking behavior that cats use to mark their territory and communicate with other cats. Here are some steps you can take to deal with a cat that sprays:

1. Visit the vet: Before you start trying to address the behavior, it is important to rule out any medical issues that could be causing the spraying. Urinary tract infections, bladder stones, and other health problems can cause a cat to spray. If a medical issue is identified, your vet will provide a treatment plan.
2. Identify the cause: Once any medical issues have been ruled out, try to identify what is causing the spraying. This could be due to stress, changes in the environment, or conflicts with other pets in the house.
3. Reduce stress: If stress is identified as the cause, it is important to reduce it as much as possible. Providing a calm and predictable environment, with plenty of hiding places and plenty of toys, can help. You may also want to consider using pheromone sprays or diffusers to help your cat feel more secure.
4. Prevent territorial marking: If territorial marking is the cause of the spraying, it is important to prevent it from happening. This can be done by making sure your cat has plenty of territory of its own, such as a designated scratching post, bed, or perch. You can also try to make the areas that your cat is spraying less attractive, by using an odor neutralizer or placing double-sided tape on the spot.
5. Provide positive reinforcement: Positive reinforcement can also be a helpful tool in dealing with a cat that sprays. When your cat is not spraying, make sure to reward it with treats, praise, and affection. This will help it associate good things with not spraying.
6. Consider behavior modification: In some cases, behavior modification techniques may be necessary to help stop a cat from spraying. This may involve retraining your cat to use a litter box, or teaching it to associate certain behaviors with positive reinforcement. Your vet or a certified cat behaviorist can provide you with guidance on the best techniques to use.

In conclusion, dealing with a cat that sprays can be challenging, but with patience, understanding, and the right approach, it can be effectively managed. If you are having trouble dealing with a spraying cat, it is important to consult with a vet or a certified cat behaviorist for guidance.