Water reacts with ammonia and donates a proton but it accepts protons during the reaction with HCl. So water is __
Amphoteric
An acid is any proton donor, and a base is any proton acceptor. By donating a proton, water acts as an acid and by accepting a proton from such strong acids, water acts as a base. Thus, water can donate as well as accept protons, this shows its amphoteric nature.