Reactions

Na reacts with O

Na2O2

K reacts with O

KO2

Ca reacts with cold water to form 

H2 and hydroxide 

H+ and water form

H2 gas and a hydroxide 

BaO+H2O forms 

Ba(OH)2 (aq)

B(OH)3 + H2O forms

B(OH)4 + H+

Li + O2

2Li2O

Na + O2

Na2O2

K, Rb, or Cs + O2

KO2

Li + N2

2LiN3

Mg + O2

2MgO

Ba + O2

2BaO2

Ca, Sr, or Ba + H2O

Ca(OH)2 + H2

Mg + N2

Mg3N2

G2 + N2

G2₃N₂

Mg + CO2

2MgO + C

All group two carbonates decomposing (CaCO3)

CaO + CO2

CaO + H2O (and all G1/2 oxides) 

Ca(OH)2

Al + O2

Al2O3

SiO2 + C

Si + 2CO

N2 + H2

2NH3

P4O6 + H2O

4H3PO3

P4O10 + H2O

4H3PO4

C11H22O11 + H2SO4 + O2

11C + CO2 + SO2 + 12H2O +heat

Al + HCL

2AlCl3 + 3H2

slaking of lime 

CaO + H2O makes Ca(OH)2

Combustion of calcium in air

2Ca + O2 makes 2CaO

Preparation of lime from natural sources

CaCO3 makes CaO + CO2

BeO + H2O

no reaction

N2 + Al

2AlN

PF5 + H2O

H3PO4 + 5HF

S8 + excess F2

8SF6

Al2Se3 + H2O

2Al(OH)3 + 3H2Se

Br2 + OH-

5Br- + BrO3- + 3h2O

Al2O3 + OH- + H2O

2Al(OH)4-

NO2 + H2O

2HNO3 

PCl3 + H2O

H3PO3 + 3HCL

SO3 + H2O

H2SO4