Please help with my chemistry assignment. Directions: A. On the line left of the equation, classify the type of reaction.
B. Balance the equation.
A- addition D- decomposition C- combustion SD- single-displacement DD- double-displacement

1. C6H12O6 + O2 --> CO2 + H2O
2. Mg + O2 --> MgO
3. Na2O + H2O --> NaOH
4. HgO --> Hg + O2
5. C2H5OH + O2 --> CO2 + H2O
6. CaO + H2O --> Ca(OH)2
7. Cu + AgNO3 --> Ag + Cu(NO3)2
8. Fe + Cu(NO3)2 --> Fe(NO3)2 + Cu
9. C2H6 + O2 --> CO2 + H2O
10. KOH + H2SO4 --> K2SO4 + H2O
11. H2O --> H2 + O2
12. FeS + HCI --> FeCI2 + H2S