K + H2O = MgO + HCl = NaOH + H2SO4 = Li2O + H2O =

Question

K + H2O =
MgO + HCl =
NaOH + H2SO4 =
Li2O + H2O =

Answer 1

1) 2K+2H₂O=2KOH+H₂↑;
2) MgO+2HCl=MgCl₂+H₂O;
3) 2NaOH+H₂SO₄=Na₂SO₄+2H₂O;
4) Li₂O+H₂O=2LiOH.