They will need to establish the rules & norms for the team. They will need to learn about each other’s personalities, traits, skillsets and experience levels.
To become an effective Scrum Team, the team members will need to learn how to share responsibilities and work together. When people form a Scrum Team they have to figure out how to become a real team, rather than a collection of individuals.
Using Scrum to solve complex problems requires increased levels of interaction and collaboration between people to achieve shared Product and Sprint Goals.