How might we predict whether their next child will show the trait of albinism?

You can compair dominant and recessive traits in parents and if albino is recessive and normal is dominant, both parents must have majority of recessive traits for an albino child

Explanation:

The stages of fertilization can be divided into four processes:

1) sperm preparation,

2) sperm-egg recognition and binding,

3) sperm-egg fusion and

4) fusion of sperm and egg pronuclei and activation of the zygote.