How would magnesium oxide, and calcium react with water?

1 Answer
anor277
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.

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