Beo+koh= mgo+hno3= cao+h2o= cao+hcl= cao+co2= be(oh)2+naoh= be(oh)2+hcl= ca(oh)2+ so3= ca(oh)2+hno3= ca(oh)2+cucl2=

BeO+2KOH = Be(OH)2 + K2O
MgO + 2HNO3 = Mg(NO3)2 + H2O
CaO + H2O = Ca(OH)2
CaO + CO2 = CaCO3
Be(OH)2 + NaOH = не идет
Be(OH)2 + 2HCl = BeCl2 + 2H2O
Ca(OH)2 + SO3 = CaSO3 + H2O
Ca(OH)2+2HNO3= Ca(NO3)2 + 2H2O
Ca(OH)2+CuCl2= Cu(OH)2 + CaCl2