The King of Wands indicates a strength of leadership, a willingness to do and to take initiative. In this case, she suggests that trusting Clare is a good idea and that you can count on her leadership to help her with this project. Her positive and determined attitude is a sign of hope for the success of the project.
Wheel of Fortune represents a lucky change in life, a time where one can enjoy one's successes. This card indicates that by trusting Chiara you could benefit, both personally and professionally. The Wheel also indicates that although there may be complications, things could eventually work out for the best.
In conclusion, the cards suggest that trusting Chiara and taking part in her project would be a good idea. The King of Wands indicates the presence of a strong and motivated leader within the project, while the Wheel of Fortune represents the possible personal and professional benefits you could gain by taking part in this project. Therefore, the most probable answer is: Yes, you should trust Chiara.