How would magnesium oxide, and calcium react with water?

1 Answer
Jan 6, 2016

MgO + H_2O rarr Mg(OH)_2

Explanation:

I have an idea that magnesium oxide would only be sparingly soluble in water. Both the oxide and its hydroxide would be fairly insoluble.

CaO, which features the much large Ca^(2+) ion, would react quantitatively, and would spit when you added water.