Combine water, oil and salt in medium saucepan; bring to boil. Combine couscous, apricots and spices in large bowl. Add boiling liquid. Cover immediately; let stand until water is absorbed, about 5 minutes. Uncover; fluff with fork. Cool. (Can be made 6 hours ahead. Cover; chill. Bring to room temperature before continuing.)
Mix nuts, green onions and basil into couscous. Season with salt and pepper.