Classifying Reactions + Naming Practice

Classify the reaction based on the reactants given:
 $Ca+O_{2\ }\rightarrow$   

Classify the reaction based on the reactants given:
 $FeCl_{2\ }+\ F_2\ \rightarrow$   

Classify the reaction based on the reactants given:
 $KBr+CaO\rightarrow$   

Classify the reaction based on the reactants given:
 $CH_4+O_2\rightarrow$   

Classify the reaction based on the reactants given:
 $\left(NH_4\right)_2\left(CO_3\right)\rightarrow$   

Classify the reaction based on the reactants given:
 $Li+N\ \rightarrow$   

Classify the reaction based on the reactants given:
 $Ca+NaCl\rightarrow$   

Classify the reaction based on the reactants given:
 $Na\left(NO_3\right)+CaBr_2\rightarrow$   

Classify the reaction based on the reactants given:
 $C_7H_{16}+O_2\rightarrow$   

Classify the reaction based on the reactants given:
 $Na_2O\rightarrow$