In this case, neither the cations nor the anion undergoes hydrolysis. Therefore, the solution remains neutral.
For example: in the aqueous solution of NaCl, its ions Na+ and Cl– ions have no tendency to react with H+ or OH– ions of water. This is because the possible products of such reaction are NaOH and HCl, which are they completely dissociated. As a result, there is no change in the concentration of H+ and OH– ions and hence the solution continues to remain neutral.