Perform the reactions that characterize the properties of calcium oxide.

1) Calcium oxide belongs to the main oxides, this property is perfectly demonstrated by the reaction of its dissolution in water: CaO + H2O = Ca (OH) 2.
2) How does the basic oxide react with acid oxides and acids, forming salts: CaO + SO2 = CaSO3; CaO + 2HCl = CaCl2 + H2O.



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