[Kate of Spice Island]

Two lithiums plus two water = two lithium hydroxide plus H₂

[darkangel82]

and a big kaboom as well.

[rzeznikj at stout]

equation balances...

or, put more accurately, two moles of lithium reacted with two moles of water will (theoretically) yield two moles of lithium hydroxide plus one mole of hydrogen gas.