I believe Melanie brings up a very crucial and timely question here -- one that I think should be contemplated by every believer in Jesus Christ. I recommend reading this, especially in the face of recent sorrowful losses in the family of faith.
https://thelifeididntchoose.com/2016/04/08/the-problem-of-unanswered-prayer/?fbclid=IwAR1SXz42tSOuSpcvw9w4AZMu0qKOYHPH8dlmiX1UeLmj3iNto-vVMtJhgis