Answer
Methanol donates a proton to $NH_3$ to act as an acid. And accepts a proton from $H_2SO_4$ to act as a base. The equation is shown in the picture.
Work Step by Step
Any species that accepts a proton acts like a base. And any species that donates a proton acts like an acid. Methanol here donates a proton to $NH_3$ to act as an acid. And accepts a proton from $H_2SO_4$ to act as a base.
