When an acid reacts with an alkali in this way a salt and water are formed. Acid + alkali → salt + water We say that the acid and alkali are the reactants, and the salt and water are the ...

Zinc oxide is insoluble in water. State and explain whether zinc oxide is a base, an alkali, or both. Zinc oxide is a base, because it reacts with an acid to form a salt and water. It is not an ...