English Grammar
Hi Friends Which one is right? or both are fine?
A.) I want to return the favor to you.
B.) I want to return you the favor.

Question

English Grammar
Hi Friends Which one is right? or both are fine? 
A.) I want to return the favor to you.
B.) I want to return you the favor.

Answer

A is correct. B is incorrect.

Usually if the subject is known you can leave it out.

For example: I want to return the favour.