Mg + 2H2O =Mg(OH)2 + H2
K2O + H2O = 2KOH
Na2O + H2O = 2NaOH
SO3 + H2O = H2SO4
2HCl + Mg = MgCl2 + H2
2HCl + K2O = 2KCl + H2O
2HCl + Na2O = 2NaCl + H2O
2HCl + Cu(OH)2 = CuCl2 + 2H2O
K2O + SO3 = K2SO4
Na2O + SO3 = Na2SO4
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Verified answer
Mg + 2H2O =Mg(OH)2 + H2
K2O + H2O = 2KOH
Na2O + H2O = 2NaOH
SO3 + H2O = H2SO4
2HCl + Mg = MgCl2 + H2
2HCl + K2O = 2KCl + H2O
2HCl + Na2O = 2NaCl + H2O
2HCl + Cu(OH)2 = CuCl2 + 2H2O
K2O + SO3 = K2SO4
Na2O + SO3 = Na2SO4