It is a reaction between 50% Hydrogen peroxide (H2O2) and Potassium permanganate (KMnO4) . It is a very vigorous reaction which steam (H2O) and Oxygen (O2) are the desired products, side products include Manganese(IV) oxide (MnO2) and trace amount of Potassium compound.
Please rate, comment and subscribe!
Disclaimer: Do NOT try anything you see in this clip, as accident may happens to minors.
Some more videos will upload to http://www.youtube.com/Cforchemistry