J.R. S. answered 03/10/21
Ph.D. University Professor with 10+ years Tutoring Experience
CH3NH3Cl would be acidic. Why? Because it was made from a STRONG acid (HCl) plus a weak base (CH3NH2).
The equilibrium equation will be that for the hydrolysis of the conjugate acid, CH3NH3+ as follows:
CH3NH3+ + H2O ==> CH3NH2 + H3O+