a) 1. 4 Li+O2--->2 Li2O
2. Li2O+H2O--->2 LiOH
3. 2 Li+2 H2O--->2 LiOH
b) 1. 2 Ca+O2--->2 CaO
2. CaO+H2O--->Ca(OH)2
3. Ca+2 H2O--->Ca(OH)2+H2
c) 1. 2 Ba+O2--->2 BaO
2. BaO+H2O--->Ba(OH)2
3. Ba+2 H2O--->Ba(OH)2+H2
d) 1. 2 Na+2 H2O--->2 NaOH+H2
2. Na2O+H2O--->2 NaOH
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a) 1. 4 Li+O2--->2 Li2O
2. Li2O+H2O--->2 LiOH
3. 2 Li+2 H2O--->2 LiOH
b) 1. 2 Ca+O2--->2 CaO
2. CaO+H2O--->Ca(OH)2
3. Ca+2 H2O--->Ca(OH)2+H2
c) 1. 2 Ba+O2--->2 BaO
2. BaO+H2O--->Ba(OH)2
3. Ba+2 H2O--->Ba(OH)2+H2
d) 1. 2 Na+2 H2O--->2 NaOH+H2
2. Na2O+H2O--->2 NaOH