Biology ppt equations

Balance the following equations from the What's the Matter 2 power point:

   K+         F2 >>>      KF
   CH4+     O2 >>>     CO2 +        H2O
___Ca +  ___H₂O  ®___Ca(OH) + ___H₂
___ZnO + ___HCl  ®___ZnCl₂ + ___H₂O
___ KClO₃   >>>___KCl  + ___O₂

Balance thees also:

___N₂ + ___H₂  ®___NH₃
___K + ___B₂O₂ ®___K₂O + ___B
___Mg + ___TiCl₄  ®___MgCl₂ + ___Ti