Nuclear equation for fusion hydrogen into helium?

Question

Nuclear equation for fusion hydrogen into helium?

Answer 1

Strong nuclear force.

Changes neutrons to protons.

Fuses two hydrogens together to make a helium atom.

Fun fun.

Answer 2

It depends on how detailed you want to be.

The basic equation is

4p+2e- ->He+3 photons+2 neutrinos

But there are a number of was of getting there.  

There is a cycle known as the proton-proton chain that gives the details of what stars actually do.