How doth God execute his decrees?

God executeth his decrees in the works of creation and providence, according to his infallible foreknowledge, and the free and immutable counsel of his own will.[1]

1. Eph. 1:11

   In him we have obtained an inheritance, having been predestined according to the purpose of him who works all things according to the counsel of his will...

Question 14, Westminster Larger Catechism.