Again if you read the Quran like suret Al'Araf you'd find the answer to that Q
Sahih International 7:14 to top
[ Allah ] said, "Descend from Paradise, for it is not for you to be arrogant therein. So get out; indeed, you are of the debased.
7:15 to top
[Satan] said, "Reprieve me until the Day they are resurrected."
7:16 to top
[ Allah ] said, "Indeed, you are of those reprieved."
7:17 to top
[Satan] said, "Because You have put me in error, I will surely sit in wait for them on Your straight path.
7:18 to top
Then I will come to them from before them and from behind them and on their right and on their left, and You will not find most of them grateful [to You]."
[ Allah ] said, "Get out of Paradise, reproached and expelled. Whoever follows you among them - I will surely fill Hell with you, all together."
I am surprised that you insist on calling yourself Muslim when the most basics of basics eludes you!
angels do not grow old but everything in existence will one day die- doesn't require the Quran but ahadiths, so you need to graduate from the basics first!